Stone Weed (Lithophyllum Lichenoides)
Latin name: Lithophyllum lichenoides
Common name: Stone weed
Habitat: Common in surface waters where it shows a high tolerance of wave action.
Size: This is a strongly calcified alga, its growth is determined by tidal movement.
Shape: Coral-like with numerous hard and flattened fronds.
Colour: Purple with white or pink new growth lines at the edges.